cornell



(NoMoael.) W M J. ivi. UURNELL.

POUNDRY FLASK.

No. 418,170. Patented Deo. 3l, i389.

@mib/Lemay f@ y Smm/VWO?! CH JOHN M. CORNELL UNITED STATES PATENT OFFICE.

JOHN M. CORNELL, OF NFV YORK, N. Y.

FOUNDRY-FLASK.

SPECIFICATION forming part of Letters Patent 1Y0-418,170, dated December 31, 1889..

Application filed November 5, 1889. Serial No. 829,344. (No model.)

To all whom it may 0071/007177 .f

Be it known that I, JOHN M. CORNELL, a citizen of the United States, and a resident of New York, in the State of New York, have invented a new and useful Improvement in Foundry-Flasks, of which the following is a specification.

rlhis invention relates to iiasks of iron and wood combined for inclosing molded molds in iron-foundries, and to means for rendering such flasks adjustable or variable in size, so as to reduce the number necessary to be kept on hand, and for adapting them to be readily taken apart, so as to economizestorage-space.

The present invention consists in certain novel combinations of parts, whereby channel-iron is utilized for the side and end bars, the iron side bars are provided with rigidlyattached wooden handles, and anadjustable and separable foundry-fiask is constructed in a simple and thoroughly practicable manner, as hereinafter described and claimed.

Asheet of drawings accompanies this specification as part thereof.

Figure 1 of the drawings represents a top view of a small two-part iiask constructed according to this invention, with breaks exposing to view cross-sections of the principal parts. Fig. 2 is a side view of the same. Fig. 3 represents face views of an end piece and one of the bars of the cope. Fig. 4 represents edge views of a series of interchangeable end pieces and bars. of fragments of a side piece and the adjoining end of a bar, showing a modified barfastening; and Fig. 6 represents fragmentary sectional and top views showing another modified bar-fastening.

Like letters of reference indicate corresponding parts in the several figures.

The top half or cope A and the bottom half or drag B are composed in common of side pieces s and end pieces c of channeliron,with the flanges turned out and with the attaching ends of endwise-projecting wooden handles 7L riveted fast between the flanges at both ends of each side piece, the rivets passing through the web of the bar, and said attaching ends being tightly fitted between said flanges and having parallel upper and lower edgesvith which the flanges coact to relieve the rivets from excessive strain. The side Fig. 5 is a perspective view pieces are furthermore provided with vertical slot s2, and tenons 15 are formed on the ends of the end pieces by punching out their corners, and are slotted, as shown in Fig. 3, and keys 7c, passing through the slotted tenons, unite the si'de and end pieces of the cope and those of the drag, as shown in Figs. l and 2, with sufficient rigidity for use, and so thatby removing the keys the flask may be quickly taken apart. The cope is further provided with the customary bars l) between and parallel with its end pieces e, and its side pieces s are provided on their inner surfaces with fastening parts f g or f2, g2, orf 3, riveted fast and adapted to coact with wedges w, Fig. l, or pins p, Fig. 6, to fasten a complement of bars in place when the flask is put together for use. In either form the bars are preferably so fastened as to tie together the side pieces of the flask when the latter is clamped, so as to aid in resist-ing the pressure of the molten iron within the mold.

In the bar-fastening arrangement represented in Figs. 1 to 4, inclusive, flat iron bars of either rolled or cast iron are provided with short stud-pins p near their ends, and the fastening parts f g consist of two pieces of angle-iron at each fastening-point, one of them f being provided with a hole to receive the stud-pin p of the adjoining bar end,whi1e sufficient space is'provided between the two to facilitate interlocking the bar end with the perforated fastening part and to admit a wedge behind the bar end, between it and the abutment part C, to tighten and lock the fasteninO.

In the bar-fastening represented by Fig. 5 the part f2 is a casting recessed to forni horizontal stop portions @c at top and bottom and a connecting-wall or return y. These portions of said part f2 engage with matching' surfaces of an L-shaped terminal portion z on the bar, which in this form is of cast-iron, so that when it is locked bymeans of wedges, like the form above described, thebar is secured against displacement upward or downward and the sides of the cope are securely tied together. The abutment part g2 may be identical with .said abutment parts gor maybe cast, as preferred.

In the fastening for wooden bars represented by Fig. 6 the single fastening part f3 is cut from light channel-iron, punched, as

IOO

shown, and closed at its lower end by shearing and bending in its iianges to forin abottom stop. The endof the bar is fitted thereto and provided With a hole in line with holes in the sides of the fastening part to receive the locking-pin p.

WVith either form of bar-fastening each flask is provided With interchangeable end' pieces and interchangeable bars of different lengths, as illustrated by Fig. 4, so as to pro-p4 vide for readily increasing or reducing the width of the flask, or, in other Words, for setting it up of any required width.

The endv pieces of the cope are also interchangeable,` with those of the drag, and in the species" illustrated by Figs. l to 4 both end pieces and bars may be put in with either edge up.A

A greater or less number of bars may be used and the relativeproportions of the partsr 'Wise, and having attaching-ends which lit tightly between said flanges and are riveted fast to the webs of the bars, substantially as hereinbefore specified.

2. The combination, in a foundry-flask, of side pieces of channel-iron having outwardlyturned iian ges and vertical slot-s, interchangeable end pieces of channel-iron having outwardly-turned flanges and provided at their ends-with slotted tenons fitted to said slots in the side pieces, and keys fitted to the slots of said tenons and located between the anges of the side pieces, substantially as hereinbefore specified.

3. The combination, in a foundry-fiask, of side pieces of channel-iron having outwardlyturned flanges and vertical slots and provided with bar-fastenings affixed to their inner surfaces, interchangeable end pieces of channeliron having outwardly-turned fian ges and provided at their ends with tenons fitted to said slots in the side pieces, interchangeable bars having their ends iitted to said bar-fastenings, and suitable devices, as keys and Wedges, for locking the several fastenings, substantially as hereinbefore specified.

4t. In a foundry-flask, the combi1iation,With interchangeable metallic bars of different lengths provided near their ends with laterally-projecting stud-pins, of side pieces provided with fastening parts of angle-iron having holes fitted to said stud-pins and abutment parts of angle-iron behind the bars, and interposed vertical wedges for locking the fastenings, substantially as hereinbefore specified.

JOHN lWI. CORNELL. 

